After sending the maximum number, will the customer not receive the on-hook SMS?

If the user fails to receive the on-hook SMS, there are several things to check: 1. Confirm that the service status is activated. 2. Confirm that the content of the SMS to be pushed has been approved. 3. Confirm that the call time is within the SMS service period. 4. Confirm whether the SMS type (all incoming calls or missed calls) set by the called number is consistent with the connection when the customer dials. 5. Check whether the number of packages has been sent. 6. Check whether the number of messages sent to the same caller in the sending statistics of the day reaches the limit. 7. Check the sending statistics to confirm whether the number of short messages sent reaches the maximum sending condition. 8. Check whether the calling number is on the free list. For more service offers, click on "official website" Customer Service 2 19 below to answer your questions.